Hi Adian,
Rather belated reply to your query on different scans based on my experience and what I have read. I had CT scans to plot movement of my Prostate over several days and to check the position of Prostate at times before radiation delivered. It is not as good as MRI (particularly MP MRI) in finding tumors in soft tissue. Bone scans, as you would expect, are better at identifying tumours in bones. With the introduction of the PSMA scan this can replace the bone scan and better help find deposits of cancer elsewhere. An Australian Professor envisaged a time coming when PSMA would replace a bone scan because it can do this and more. However, it is more expensive and more difficult to produce reliably. It also has a short half life and does not work for about 8% of men because they do not exhibit sufficient PSMA. Even the PSMA scans can fail to find tumours sometimes which has been proved by putting the same men through other types of scan for example the 18F-DCFPyL, also known as PyL(PYLARIFY) scan. However, conversely, this failed to show some tumours seen in the PSMA scan. Clearly, it is impractical to put patients through many additional expensive scans to arrive at finding almost 100% of a mans' cancer which is impossible with current imagery anyway, as very small pockets of cancer can be too small to be seen on any scan.
Edited by member 04 Sep 2025 at 00:15
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